1256514700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43781}}^1$

素因数の和:43843

約数の個数: 72

約数和(自身を含む): 3192233184

約数和(自身を除く): 1935718484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 700, 820, 1025, 1148, 1435, 2050, 2870, 4100, 5740, 7175, 14350, 28700, 43781, 87562, 175124, 218905, 306467, 437810, 612934, 875620, 1094525, 1225868, 1532335, 1795021, 2189050, 3064670, 3590042, 4378100, 6129340, 7180084, 7661675, 8975105, 12565147, 15323350, 17950210, 25130294, 30646700, 35900420, 44875525, 50260588, 62825735, 89751050, 125651470, 179502100, 251302940, 314128675, 628257350, 1256514700]

約数ペア:

[(1, 1256514700), (2, 628257350), (4, 314128675), (5, 251302940), (7, 179502100), (10, 125651470), (14, 89751050), (20, 62825735), (25, 50260588), (28, 44875525), (35, 35900420), (41, 30646700), (50, 25130294), (70, 17950210), (82, 15323350), (100, 12565147), (140, 8975105), (164, 7661675), (175, 7180084), (205, 6129340), (287, 4378100), (350, 3590042), (410, 3064670), (574, 2189050), (700, 1795021), (820, 1532335), (1025, 1225868), (1148, 1094525), (1435, 875620), (2050, 612934), (2870, 437810), (4100, 306467), (5740, 218905), (7175, 175124), (14350, 87562), (28700, 43781)]